Home / 1,621,765.28-2,238,082.80-896,659.81

Finding the Fourth Proportional to 1,621,765.28, 2,238,082.80 and 896,659.81

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Solution

The fourth proportional to 1,621,765.28, 2,238,082.80 and 896,659.81 is: 1,237,416.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,765.28 : 2,238,082.80 = 896,659.81 : x
  2. Step 2: Convert to fraction form
    1,621,765.28/2,238,082.80 = 896,659.81/x
  3. Step 3: Cross multiply
    1,621,765.28x = 2,238,082.80 × 896,659.81
  4. Step 4: Simplify right side
    1,621,765.28x = 2,006,798,892,617.06
  5. Step 5: Solve for x
    x = 2,006,798,892,617.06/1,621,765.28
  6. Step 6: Final answer
    x = 1,237,416.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.